@article{ic19,
  title = "Decidability and complexity of the fragments
           of the modal logic of {A}llen's relations
           over the rationals",
  journal = "Information and Computation",
  year = "2019",
  issn = "0890-5401",
  doi = "10.1016/j.ic.2019.02.002",
  author = "D. Bresolin and D. Della Monica and
            A. Montanari and P. Sala and G. Sciavicco",
  note = "Available online since 4 March 2019"
}